package com.example.chatroom.config;

import com.example.chatroom.api.TestWebSocketAPI;
import com.example.chatroom.api.WebSocketAPI;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
import org.springframework.web.socket.server.support.HttpSessionHandshakeInterceptor;


@Configuration
@EnableWebSocket
public class WebSocketConfig implements WebSocketConfigurer {
    @Autowired
    private TestWebSocketAPI testWebSocketAPI;

    @Autowired
    private WebSocketAPI webSocketAPI;

    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
        // 通过这个方法, 把刚才注册好的 handler 类给注册到具体的路径上.
        // registry.addHandler(testWebSocketAPI, "/test");
        System.out.println("添加拦截器!");
        registry.addHandler(webSocketAPI, "/WebSocketMessage")
                // 通过注册这个特定的 HttpSession 拦截器, 就可以把用户给 HttpSession 中添加的 Attribute 键值对
                // 往我们的 WebSocketSession 里也添加一份
                .addInterceptors(new HttpSessionHandshakeInterceptor());
    }
}
